FTI 277 HCl is the methyl ester of FTI 277, which is a potent and selective farnesyltransferase (FTase) inhibitor with IC50 of 500 pM, about 100-fold selectivity over the closely related GGTase I. FTI 277 HCl inhibits cell growth and induces apoptosis. FTI 277 HCl is effective in clearing HDV viremia. *For Research & Development use only. Product is not intended for drug, household, or human consumption.